package com.cai.config;

import org.springframework.util.StringUtils;
import org.springframework.web.servlet.LocaleResolver;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Locale;

public class MyLocaleResolver implements LocaleResolver {
    // 解析请求
    @Override
    public Locale resolveLocale(HttpServletRequest httpServletRequest) {
        // 获取请求中的语言参数
        String language = httpServletRequest.getParameter("l");
        Locale locale = Locale.getDefault(); // 如果没有就使用默认的语言
        // 如果请求的链接携带了国际化参数
        if (!StringUtils.isEmpty(language)) {
            // 把国际化参数zh_CN或en_US分割
            String[] split = language.split("_");
            // 国家 地区
            locale = new Locale(split[0], split[1]);
        }
        return locale;
    }

    //
    @Override
    public void setLocale(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Locale locale) {

    }
}
